<template>
  <div class="search">
    <div class="search-box-wrapper">
      <search-box
        ref="searchBox"
        @query="onQueryChange"
      ></search-box>
    </div>
    <div
      class="shortcut-wrapper"
      ref="shortcutWrapper"
      v-show="!query"
    >
      <scroll
        class="shortcut"
        :refreshDelay="refreshDelay"
        :data="shortcut"
        ref="shortcut"
      >
        <div>
          <div class="hot-key">
            <h1 class="title">热门搜索</h1>
            <ul>
              <li
                class="item"
                v-for="item in hotKey"
                :key="item.n"
                @click="addQuery(item.k)"
              >
                {{ item.k }}
              </li>
            </ul>
          </div>
          <div
            class="search-history"
            v-show="searchHistory.length"
          >
            <h1 class="title">
              <span class="text">搜索历史</span>
              <span
                class="clear"
                @click="showConfirm"
              >
                <i class="icon-clear"></i>
              </span>
            </h1>
            <search-list
              :searches="searchHistory"
              @select="addQuery"
              @delete="deleteSearchHistory"
            ></search-list>
          </div>
        </div>
      </scroll>
    </div>
    <div
      class="search-result"
      ref="searchResult"
      v-show="query"
    >
      <suggest
        ref="suggest"
        @select="saveSearch"
        @listScroll="blurInput"
        :query="query"
      ></suggest>
    </div>
    <confirm
      ref="confirm"
      text="是否清空所有搜索历史"
      confirmBtnText="清空"
      @confirm="clearSearchHistory"
    ></confirm>
    <router-view></router-view>
  </div>
</template>

<script>
import SearchBox from 'base/search-box/search-box'
import Suggest from 'components/suggest/suggest'
import SearchList from 'base/search-list/search-list'
import Confirm from 'base/confirm/confirm'
import Scroll from 'base/scroll/scroll'
import { getHotKey } from 'api/search'
import { ERR_OK } from 'api/config'
import { mapActions } from 'vuex'
import { playlistMixin, searchMixin } from 'common/js/mixin'

export default {
  mixins: [playlistMixin, searchMixin],
  created() {
    this._getHotKey()
  },
  data() {
    return {
      hotKey: []
    }
  },
  computed: {
    shortcut() {
      return this.hotKey.concat(this.searchHistory)
    }
  },
  methods: {
    handlePlaylist(playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.shortcutWrapper.style.bottom = bottom
      this.$refs.searchResult.style.bottom = bottom
      this.$refs.shortcut.refresh()
      this.$refs.suggest.refresh()
    },
    showConfirm() {
      this.$refs.confirm.show()
    },
    _getHotKey() {
      getHotKey().then((res) => {
        if (res.code === ERR_OK) {
          this.hotKey = res.data.hotkey.slice(0, 10)
        }
      })
    },
    ...mapActions([
      'clearSearchHistory'
    ])
  },
  watch: {
    query(newQuery) {
      // quer从有到无,解决不能滚动问题
      if (!newQuery) {
        setTimeout(() => {
          this.$refs.shortcut.refresh()
        }, 20)
      }
    }
  },
  components: {
    SearchBox,
    Suggest,
    SearchList,
    Confirm,
    Scroll
  }
}
</script>

<style lang='stylus' scoped>
@import '~common/stylus/variable'
@import '~common/stylus/mixin'

.search
  .search-box-wrapper
    margin: 20px
  .shortcut-wrapper
    position: fixed
    top: 178px
    bottom: 0
    width: 100%
    .shortcut
      height: 100%
      overflow: hidden
      .hot-key
        margin: 0 20px 20px 20px
        .title
          margin-bottom: 20px
          font-size: $font-size-medium
          color: $color-text-l
        .item
          display: inline-block
          padding: 5px 10px
          margin: 0 20px 10px 0
          border-radius: 6px
          background: $color-highlight-background
          font-size: $font-size-medium
          color: $color-text-d
      .search-history
        position: relative
        margin: 0 20px
        .title
          display: flex
          align-items: center
          height: 40px
          font-size: $font-size-medium
          color: $color-text-l
          .text
            flex: 1
          .clear
            extend-click()
            .icon-clear
              font-size: $font-size-medium
              color: $color-text-d
  .search-result
    position: fixed
    width: 100%
    top: 178px
    bottom: 0
</style>
